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Simplifying 7(-2 + 1) = -13(x + 1) Combine like terms: -2 + 1 = -1 7(-1) = -13(x + 1) Multiply 7 * -1 -7 = -13(x + 1) Reorder the terms: -7 = -13(1 + x) -7 = (1 * -13 + x * -13) -7 = (-13 + -13x) Solving -7 = -13 + -13x Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '13x' to each side of the equation. -7 + 13x = -13 + -13x + 13x Combine like terms: -13x + 13x = 0 -7 + 13x = -13 + 0 -7 + 13x = -13 Add '7' to each side of the equation. -7 + 7 + 13x = -13 + 7 Combine like terms: -7 + 7 = 0 0 + 13x = -13 + 7 13x = -13 + 7 Combine like terms: -13 + 7 = -6 13x = -6 Divide each side by '13'. x = -0.4615384615 Simplifying x = -0.4615384615
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